The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 16, 2025
Filed:
May. 01, 2020
Oryza Oil & Fat Chemical Co., Ltd., Aichi, JP;
Kenchi Miyasaka, Aichi, JP;
Norihito Shimizu, Aichi, JP;
Hiroshi Shimoda, Aichi, JP;
Hiromichi Murai, Aichi, JP;
ORYZA OIL & FAT CHEMICAL CO., LTD., Aichi, JP;
Abstract
A 5α-reductase inhibitor contains saw palmetto extract and seaberry extract as an active ingredient in a synergistic compounding ratio, wherein the compounding ratio by weight of the saw palmetto extract and the seaberry extract is 3:1˜2. The 5α-reductase inhibitor containing the saw palmetto extract and seaberry extract or just the seaberry extract as a 5α-reductase inhibitor can be administered to the human body in order to inhibit 5α-reductase. The 5α-reductase inhibitor is useful as a prostate enlargement inhibitor, an androgenic alopecia inhibitor, and an acne prevention and amelioration agent. The 5α-reductase inhibitor can be part of a food or drink composition or a cosmetic composition.